#51C97B#51C97B

#51C97B is a light, vivid green. Relative luminance 0.450; OKLCH L 74.9% C 0.156 H 152.2°. Best body text is #000000 at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#51C97B
RGB	rgb(81, 201, 123)
HSL	hsl(141, 53%, 55%)
HSV	hsv(141, 60%, 79%)
CMYK	cmyk(59.7%, 0%, 38.8%, 21.2%)
CIE-LAB	lab(72.86, -50.90, 29.22)
CIE-LCH	lch(72.86, 58.69, 150.15°)
OKLab	oklab(74.86% -0.1378 0.0728)
OKLCH	oklch(74.86% 0.156 152.2)
XYZ	xyz(27.8530, 44.9500, 25.9434)
Luminance	0.4495 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C97B #C9519F

analogous

#63C951 #51C97B #51C9B7

triadic

#51C97B #7B51C9 #C97B51

tetradic

#51C97B #5163C9 #C9519F #C9B751

square

#51C97B #5163C9 #C9519F #C9B751

split-complementary

#51C97B #B751C9 #C95163

monochromatic

#267A43 #34A95D #51C97B #80D79E #AEE6C2

Accessibility & contrast

On white

2.10

#51C97B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.99

#51C97B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C97B

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C97B	#FFFFFF	#000000	##000000
##51C97B	1.00	2.10	9.99	9.99
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.99	21.00	1.00	1.00
##000000	9.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9BA76

Deuteranopia (green-blind)

#B9AE80

Tritanopia (blue-blind)

#2AC6B5

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51c97b;
/* rgb */ color: rgb(81, 201, 123);
/* oklch */ color: oklch(74.9% 0.156 152.2);

Tailwind

colors: {
  custom: {
    50: '#8ddaa2',
    500: '#51c97b',
    950: '#000000',
  },
}

SCSS

$custom: #51c97b;
$custom-light: #8ddaa2;
$custom-dark: #000000;

JSON

{
  "hex": "#51c97b",
  "rgb": {
    "r": 81,
    "g": 201,
    "b": 123
  },
  "hsl": {
    "h": 141,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.74855,
    "c": 0.15583,
    "h": 152.2
  },
  "luminance": 0.44953
}

Semantic roles & 50–950 ramp

primary

#51C97B

secondary

#D4A2C2

accent

#4CAADC

background

#F9FDFA

surface

#F1FBF3

border

#CBD4CD

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51C97B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →